Gross Rent Multiplier Calculator

Calculate GRM to quickly screen and compare rental property investments.

GRM Calculator

GRM Formula

GRM = Property Price / Annual Rent

Lower GRM = Better cash flow potential. Typical range: 4-20 depending on market.

Gross Rent Multiplier

10.42
Good Investment

Good GRM

This property is reasonably priced for rental income.

Property Details

Purchase Price$400,000
Monthly Rent$3,200
Annual Rent$38,400
GRM10.42
Implied Cap Rate (est.)~5.8%

Price at Different GRMs

GRMMax PriceQuality
6$230,400Excellent
8$307,200Excellent
10$384,000Good
12$460,800Good
15$576,000Fair
20$768,000Poor

Required Rent for Target GRMs

Target GRMMonthly Rent
6$5,556
8$4,167
10$3,333
12$2,778
15$2,222
20$1,667

Market GRM Benchmarks

High-Growth Markets12 - 20
Stable Markets8 - 14
Cash Flow Markets5 - 10
Luxury Properties15 - 25
Multi-Family7 - 12

GRM varies by location, property type, and market conditions. Lower GRM generally means better cash flow.